What is probability that the test results is false positive

Assignment Help Basic Statistics
Reference no: EM13946335

1. Listed below are the gross amounts (in millions of dollars) earned in box office receipts for a recent movie. The amounts are listed in order for the first 14 days of the movies release. Find the range, variance, and standard deviation of the data set.

If you invested in this movie, what characteristic of the data set would you care about most and is it a measure of center or variation?

59, 49, 48, 48, 42, 35, 34, 24, 21, 21, 20, 8, 6, 4

2. Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test results is a false positive? Who would suffer from a false positive result? Why?

Pre-Employment Drug Screening Results

Positive Test Result Negative Test Result
Drug Use Is Indicated Drug Use Is Not Indicated
Subject Uses Drugs 37 9
Subject Is Not a Drug User 18 32

3. Determine whether the two events are disjoint for a single trial. (Hint: Consider "disjoint" to be equivalent to "separate" or "not overlapping".) Why?

Randomly selecting a piano from the instrument assembly line and getting one that is free of defects.

Randomly selecting a piano from the instrument assembly line and getting one with a missing key.

4. For the given pair of events A and B, complete parts (a) and (b) below.

A: When a baby is born, is it a boy.

B: When a 5-sided die is rolled, the outcome is 1.

a. Determine whether A and b are independent or dependent. (If the two events are technically dependent but can be treated as if they are independent according to 5% guideline, consider hem to be independent.)

b. Find P(A and B), the probability that events A and B both occur.

Reference no: EM13946335

Questions Cloud

Rate of heat transfer to the coolant : What is the rate of heat transfer to the coolant, and what is the rate at which steam is condensed at the surface?
Human rights watch-dog organization : The Scenario You work as a research analyst for a human rights watch-dog organization. The organization's board of directors is deciding how to spend a large donation.
What is the p-value associated with the hypothesis test : Calculate the mean attitude score toward the Springdale Mall shopping area and compute the sample standard deviation. Does this area seem to be well regarded by the respondents?
Write an email is for accounting and payroll : THE EMPLOYEE-EMPLOYER RELATIONSHIP (E-MAIL): SCENARIO - Jaime has an annual contract with Manila Office Supplies to provide property maintenance services; this includes lawn care, snow removal and parking lot maintenance
What is probability that the test results is false positive : Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test results is a false positive? Who would suffer from a false positive result? Why?
Concepts of espoused theories and theories-in-use relate : In Bartunek's (2008) article titled "You're an Organization Development Practitioner-Scholar: Can You Contribute to Organizational Theory?" the author discusses two types of theories that shape actions: espoused theories and theories-in-use. In th..
Estimate the power dissipation per unit length : A metal-clad heating element of 6-mm diameter and emissivity s = 1 is horizontally immersed in a water bath. The surface temperature of the metal is 255°C under steady-state boiling conditions. Estimate the power dissipation per unit length of the..
Relationships different quality with different subordinate : Have you ever noticed that managers seem to develop relationships of different quality with different subordinates? What do you think causes such a phenomenon? Is it the manager? The subordinate?
Compute the submatrices : Consider a three-ply laminate made of such laminae arranged at y=60 degre. Compute the submatrices [A], [B], and [D]. Take the ply thickness to be 1 mm.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  A fourth grade student has a list of 8 books for her

a fourth grade student has a list of 8 books for her subjects. due to rising costs the student cannot afford to buy all

  Suppose that a tribal culture was discovered in the south

suppose that a tribal culture was discovered in the south pacific whose language consists of only fourteen letters a d

  Standardized z-scores for comparisons

How can standardized z-scores be used to compare people across different contexts, such as the batting averages of two players -one who played in the 1970s and one who played in the 1990s?

  An order of 15 printers contains four with a graphics

an order of 15 printers contains four with a graphics enhancement feature five with extra memory and six with both

  On a certain examination the average score is 53 and the

on a certain examination the average score is 53 and the standard deviation is 6. find a range of values within which

  What is mean allowance for us teenagers

While some teenagers received no allowance, others reported receiving $200 per week. Based on this information, the mean allowance for U.S. teenagers is most likely.

  When conducting a paired-samples t test we can assess the

when conducting a paired-samples t test we can assess the practical importance of our obtained results by calculatinga.

  Probability pregancy will last between given number of days

The length of human pergnancies is aprox normally distibuted with a mean of 266 days and a standard devation of 16 days what is the probability the pregancy will last between 160 and 255 days?

  Suppose that a random sample of 41 state college students

suppose that a random sample of 41 state college students is asked to measure the length of their right foot in

  Estimate interquartile range of cholesterol level

Adult US women are known to have cholesterol levels that are N(189 mg/dL, 25 mg/dL). What % of US women would you expect to have cholesterol levels below 135?

  Concept and method of interval estimation

Critically discuss how you can apply the concept and method of interval estimation to help you solve some of the problems in a regularly accounting department. Give a few examples.

  What criterion be used for rejecting null hypothesis

What criterion would be used for rejecting the null hypothesis? Assume that the standard deviation, σ, of the population is known.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd